http://andrewgelman.com/2018/06/19/role-qualitative-methods-addressing-issues-replicability-reproducibility-rigor/

"Let me count the ways..." https://telescoper.wordpress.com/2018/06/19/why-the-universe-is-overrated/

https://blog.acolyer.org/2018/06/19/debugging-with-intelligence-via-probabilistic-inference/

http://www.r2d3.us/visual-intro-to-machine-learning-part-2/

https://machinelearningmastery.com/statistical-significance-tests-for-comparing-machine-learning-algorithms/